Etymologies

Greek hēdonikos, from hēdonē, pleasure; see swād- in Indo-European roots.

(American Heritage® Dictionary of the English Language, Fourth Edition)

From Ancient Greek ἡδονή (hēdonē, "pleasure") + -ic. (Wiktionary)

Examples

To find out, he and his colleagues asked a group of 65 undergraduates to complete an online survey each day for three weeks that assessed how times they participated in hedonic, or pleasure-seeking behaviours, versus meaningful activities, such as helping others, listening to friends’ problems and/or pursuing one’s life goals.

Ord refers to the "hedonic treadmill" whereby people expend more and more resources to maintain the same level of satisfaction, and to evidence that people get more happiness from spending money on other people than buying things for themselves.

A second caveat is procedure called hedonic or felicific that the terms physical or mental should not calculus, for determining how much be taken too literally: physical pain or pleasure and pain would result from any suffering, as a matter of fact, happens action.

The CPI also ignores the direct cost of property taxes -- sure to go up as states and cities bail out underfunded pension plans -- and subtracts the "hedonic" effects of regulations that increase quality of life, such as the added expense of pollution-reducing gasoline additives.